We have a high regard for Mr. Black because he always tries to ________ his principles.
#70958
A
live up to
B
look forward to
C
catch up with
D
put up with
推荐题目
President Nixon was deeply_____in the Water Gate problem at that time.
#66601
A
included
B
involved
C
concerned
D
affected
At last they______ an agreement______ it. 
#69988
A
reached; on
B
concluded; at
C
arrived at; about
D
come to; in